.page-home {
  --ph-line: var(--c-silver-22);
  --ph-line-strong: var(--c-silver-40);
  --ph-gap: 18px;
  background-color: var(--c-ink);
  color: var(--c-white-88);
  font-family: var(--font-body);
  line-height: 1.78;
  display: block;
}

.page-home .section {
  padding: 52px 0;
}

.page-home .section--paper {
  background-color: var(--c-paper);
  color: var(--c-inktext-72);
  border-top: 3px solid var(--c-ink-deep);
  border-bottom: 3px solid var(--c-ink-deep);
}

.page-home .section--paper .section-title,
.page-home .section--paper .block-lede,
.page-home .section--paper h2,
.page-home .section--paper h3 {
  color: var(--c-ink-deep);
}

.page-home .section-title {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
  color: var(--c-white);
}

.page-home .block-head {
  max-width: 760px;
  margin-bottom: 32px;
}

.page-home .block-lede {
  font-size: var(--fs-16);
  line-height: 1.78;
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--c-white-70);
}

.page-home .section--paper .block-lede {
  color: var(--c-inktext-72);
}

.page-home .eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  text-transform: none;
  color: var(--c-gold);
  margin: 0;
}

/* ---------- figure 基础 ---------- */
.page-home .figure {
  margin: 0;
}

.page-home .figure-frame {
  border: 3px solid var(--ph-line-strong);
  box-shadow: var(--shadow-hard-dark);
  background: var(--c-ink-mid);
  overflow: hidden;
}

.page-home .figure-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .section--paper .figure-frame {
  border-color: var(--c-ink-deep);
  box-shadow: var(--shadow-hard);
  background: var(--c-line);
}

.page-home .figure-caption {
  margin-top: 12px;
  font-size: var(--fs-12);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--c-inktext-72);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  padding: 48px 0 56px;
  overflow: hidden;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--ph-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ph-line) 1px, transparent 1px);
  background-size: var(--grid-step) var(--grid-step);
  background-position: 0 0;
  pointer-events: none;
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 96px;
  background: var(--c-gold);
}

.page-home .hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-home .hero-rail {
  display: flex;
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 16px;
  border-left: 3px solid var(--c-gold);
  padding-left: 14px;
}

.page-home .hero-masthead {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: var(--fs-20);
  letter-spacing: 0.08em;
  color: var(--c-gold);
  writing-mode: horizontal-tb;
}

.page-home .rail-batch {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--c-white-70);
  border: 1px solid var(--ph-line-strong);
  padding: 3px 8px;
}

.page-home .rail-label {
  color: var(--c-white-52);
}

.page-home .hero-title {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 12px 0 18px;
  color: var(--c-white);
}

.page-home .hero-title em {
  font-style: normal;
  color: var(--c-gold);
  box-shadow: inset 0 -0.18em 0 var(--c-orange);
}

.page-home .hero-lede {
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--c-white-88);
  max-width: 44ch;
  margin: 0 0 22px;
}

.page-home .hero-meta {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: var(--fs-12);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--c-white-52);
}

.page-home .hero-meta-num {
  color: var(--c-gold);
  margin-right: 4px;
}

.page-home .hero-figure {
  align-self: start;
}

.page-home .hero-index {
  border: 3px solid var(--c-ink-deep);
  background: var(--c-ink-mid);
  box-shadow: var(--shadow-hard-dark);
  padding: 16px 16px 8px;
  align-self: start;
}

.page-home .hero-index .u-label {
  color: var(--c-silver);
}

.page-home .hero-index-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-home .hero-index-list li + li {
  border-top: 1px solid var(--ph-line);
}

.page-home .hero-index-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 2px;
  text-decoration: none;
  color: var(--c-white-88);
  font-size: var(--fs-14);
  transition: color 140ms ease, border-color 140ms ease;
  border-bottom: 2px solid transparent;
}

.page-home .hero-index-list a:hover,
.page-home .hero-index-list a:focus-visible {
  color: var(--c-gold);
  border-bottom-color: var(--c-orange);
}

.page-home .idx-num {
  font-size: var(--fs-12);
  color: var(--c-orange);
  letter-spacing: 0.08em;
}

/* ---------- 质保两档 ---------- */
.page-home .warranty-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-home .warranty-card {
  position: relative;
  background: var(--c-white);
  border: 3px solid var(--c-ink-deep);
  box-shadow: var(--shadow-hard);
  padding: 24px 20px 20px;
}

.page-home .warranty-card .card-index {
  display: inline-block;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--c-white);
  background: var(--c-ink-deep);
  padding: 2px 8px;
}

.page-home .warranty-name {
  margin: 14px 0 6px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: var(--fs-20);
  letter-spacing: -0.01em;
}

.page-home .warranty-metric {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0 0 14px;
  color: var(--c-ink-deep);
}

.page-home .warranty-metric .num {
  font-size: clamp(34px, 5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.page-home .warranty-metric .dash {
  font-size: var(--fs-20);
  color: var(--c-orange);
}

.page-home .warranty-metric .unit {
  font-size: var(--fs-14);
  color: var(--c-inktext-72);
  margin-left: 4px;
}

.page-home .warranty-line {
  margin: 0 0 18px;
  font-size: var(--fs-14);
  line-height: 1.76;
  color: var(--c-inktext-72);
  border-top: 1px solid var(--c-line);
  padding-top: 14px;
}

.page-home .warranty-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.page-home .warranty-tally {
  margin: 24px 0 0;
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--c-inktext-72);
  border-left: 3px solid var(--c-orange);
  padding-left: 12px;
}

.page-home .warranty-figure {
  margin-top: 28px;
}

/* ---------- 功率系列 ---------- */
.page-home .home-series {
  border-top: 3px solid var(--c-ink-deep);
}

.page-home .series-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 28px;
}

.page-home .series-figure .figure-frame {
  border-color: var(--c-gold);
}

.page-home .series-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 68%;
  gap: 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  border: 3px solid var(--c-ink-deep);
  background: var(--c-ink-mid);
  box-shadow: var(--shadow-hard-dark);
}

.page-home .series-cell {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 16px 24px;
  border-right: 1px solid var(--ph-line);
  border-bottom: 3px solid var(--c-gold);
  min-height: 176px;
  background:
    linear-gradient(180deg, rgba(224, 163, 60, 0.06) 0%, rgba(224, 163, 60, 0) 58%);
  outline: none;
}

.page-home .series-cell:last-child {
  border-right: 0;
}

.page-home .series-cell:focus-visible,
.page-home .series-cell:hover {
  background:
    linear-gradient(180deg, rgba(224, 163, 60, 0.16) 0%, rgba(224, 163, 60, 0) 62%);
}

.page-home .series-id {
  font-size: var(--fs-28);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--c-gold);
  line-height: 1;
}

.page-home .series-range {
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--c-white-88);
}

.page-home .series-code {
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--c-white-52);
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--ph-line);
}

.page-home .series-full {
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--c-teal);
  opacity: 0.25;
  transition: opacity 160ms ease;
}

.page-home .series-cell:hover .series-full,
.page-home .series-cell:focus-visible .series-full,
.page-home .series-cell:focus .series-full {
  opacity: 1;
}

.page-home .series-hint {
  margin: 14px 0 0;
  color: var(--c-white-52);
}

/* ---------- 行业与场景 ---------- */
.page-home .home-cases .section-head--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 22px;
}

.page-home .home-cases .filter-bar {
  margin-bottom: 22px;
}

.page-home .case-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-home .case-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px 20px;
  background: var(--c-white);
  border: 3px solid var(--c-ink-deep);
  box-shadow: 3px 3px 0 var(--c-ink-deep);
  text-decoration: none;
  color: var(--c-ink-deep);
  transition: transform 140ms ease, box-shadow 140ms ease;
}

.page-home .case-item:hover,
.page-home .case-item:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--c-orange);
}

.page-home .case-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-home .case-idx {
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--c-orange);
}

.page-home .case-name {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: var(--fs-20);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.page-home .case-note {
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--c-inktext-72);
}

/* ---------- 整理历程 ---------- */
.page-home .home-timeline {
  border-top: 3px solid var(--c-ink-deep);
}

.page-home .timeline-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .timeline-node {
  position: relative;
  padding: 18px 0 18px 26px;
  border-left: 1px solid var(--ph-line-strong);
}

.page-home .timeline-mark {
  position: absolute;
  left: -5px;
  top: 24px;
  width: 9px;
  height: 9px;
  background: var(--c-gold);
  border: 2px solid var(--c-ink);
}

.page-home .timeline-year {
  display: block;
  font-size: var(--fs-20);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-gold);
}

.page-home .timeline-title {
  display: block;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: var(--fs-16);
  margin: 6px 0 4px;
  color: var(--c-white);
}

.page-home .timeline-text {
  display: block;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--c-white-70);
}

.page-home .cadence-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 30px;
  background: var(--ph-line);
  border: 1px solid var(--ph-line-strong);
}

.page-home .cadence-item {
  background: var(--c-ink-mid);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-home .cadence-item .u-label {
  color: var(--c-silver);
}

.page-home .cadence-value {
  font-size: var(--fs-20);
  color: var(--c-teal);
  letter-spacing: 0.02em;
}

.page-home .timeline-figure {
  margin-top: 30px;
}

/* ---------- 查阅路径 ---------- */
.page-home .access-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-home .access-lede {
  font-size: var(--fs-16);
  line-height: 1.78;
  margin: 14px 0 18px;
  color: var(--c-inktext-72);
  max-width: 58ch;
}

.page-home .access-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-home .access-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding: 11px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-home .access-key {
  color: var(--c-inktext-72);
}

.page-home .access-val {
  font-size: var(--fs-14);
  color: var(--c-ink-deep);
  letter-spacing: 0.02em;
}

.page-home .access-note {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.74;
  color: var(--c-inktext-72);
  border-left: 3px solid var(--c-orange);
  padding-left: 12px;
}

.page-home .access-card {
  background: var(--c-white);
  border: 3px solid var(--c-ink-deep);
  box-shadow: var(--shadow-hard);
  padding: 22px 20px 24px;
}

.page-home .access-card-title {
  margin: 0 0 14px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: var(--fs-20);
  color: var(--c-ink-deep);
  padding-bottom: 12px;
  border-bottom: 3px solid var(--c-gold);
}

.page-home .access-line {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0 0 14px;
}

.page-home .access-line .access-val {
  font-size: var(--fs-16);
}

.page-home .access-tip {
  margin: 0 0 18px;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--c-inktext-72);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .section {
    padding: 68px 0;
  }

  .page-home .warranty-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }

  .page-home .warranty-card--b {
    margin-top: 34px;
  }

  .page-home .series-rail {
    grid-auto-columns: 44%;
  }

  .page-home .case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 20px;
  }

  .page-home .case-item:nth-child(even) {
    margin-top: 30px;
  }

  .page-home .timeline-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 22px;
  }

  .page-home .cadence-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-home .section {
    padding: 82px 0;
  }

  .page-home .home-hero {
    padding: 68px 0 76px;
  }

  .page-home .hero-grid {
    grid-template-columns: 80px minmax(0, 1fr) 296px 252px;
    gap: 0 26px;
    align-items: start;
  }

  .page-home .hero-rail {
    grid-column: 1;
    grid-row: 1;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    border-left: 0;
    border-top: 3px solid var(--c-gold);
    padding: 16px 0 0 0;
  }

  .page-home .hero-masthead {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-size: var(--fs-28);
    letter-spacing: 0.16em;
    line-height: 1;
  }

  .page-home .rail-batch {
    writing-mode: horizontal-tb;
  }

  .page-home .hero-main {
    grid-column: 2;
    grid-row: 1;
  }

  .page-home .hero-figure {
    grid-column: 3;
    grid-row: 1;
  }

  .page-home .hero-index {
    grid-column: 4;
    grid-row: 1;
  }

  .page-home .home-cases .section-head--split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: end;
    gap: 30px;
  }

  .page-home .home-cases .section-head--split .block-lede {
    margin-top: 0;
  }

  .page-home .series-head {
    grid-template-columns: minmax(0, 1.4fr) minmax(200px, 0.75fr);
    align-items: end;
    gap: 34px;
  }

  .page-home .series-rail {
    grid-auto-flow: row;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow-x: visible;
    scroll-snap-type: none;
  }

  .page-home .series-cell {
    padding: 24px 14px 26px;
  }

  .page-home .series-cell:nth-child(2n) {
    padding-top: 40px;
  }

  .page-home .series-cell:nth-child(3n) {
    padding-top: 30px;
  }

  .page-home .timeline-track {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
  }

  .page-home .timeline-node {
    padding: 30px 22px 0 0;
    border-left: 0;
    border-top: 1px solid var(--ph-line-strong);
  }

  .page-home .timeline-mark {
    left: 0;
    top: -5px;
  }

  .page-home .access-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 1fr);
    gap: 34px;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-home .section {
    padding: 92px 0;
  }

  .page-home .hero-grid {
    grid-template-columns: 92px minmax(0, 1fr) 320px 268px;
    gap: 0 30px;
  }

  .page-home .case-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px 22px;
  }

  .page-home .case-item:nth-child(even) {
    margin-top: 34px;
  }

  .page-home .case-item:nth-child(3n) {
    margin-top: 14px;
  }

  .page-home .warranty-card {
    padding: 30px 28px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .case-item,
  .page-home .hero-index-list a,
  .page-home .series-full {
    transition: none;
  }

  .page-home .case-item:hover,
  .page-home .case-item:focus-visible {
    transform: none;
  }
}
<<<END>>>